pl/sql examples for practice

Oracle best practices book and Expert One-on-One Oracle

Oracle PL/SQL by example / Benjamin Rosenzweig Elena Silvestrova Rakhimov. C) Why is it considered a good practice to enclose substitution variables in ...

21-Sept-2008 In the example in Code_6 it would be recorded just that the current PL/SQL unit depends on the table t. Now

01-Oct-2001 Part A: Additional Practice 4 Solutions. 4. Write a PL/SQL block to accept a year and check whether it is a leap year. For example if the ...

audit data SQL network traffic events and so on

23-Sept-2008 Counter-example 4: SQL syntax template with a questionable intent . ... The proper practice in this example is clear: when a PL/SQL text ...

Homework assignments are given at the end of each week for your practice. All the code examples used for demonstrating PL/SQL concepts in the videos use ...

Composite Data Types are also knows as Collections. Examples of Composite Date Type: 1 Index by Table. 2 Record. 3. Table of Records.

All PL/SQL functions and procedures will be implemented as part of a package. The package Example: IF l_total > lc_max. THEN l_new_max := true;.

Alternatively you can use a sample XML data

Mastering Oracle PL/SQL: Practical Solutions CONNOR MCDONALD WITH CHAIM KATZ CHRISTOPHER BECK JOEL R KALLMAN AND DAVID C KNOX 2174fmfinal qxd 11/24/03 4:02 PM Page i Mastering Oracle PL/SQL: Practical Solutions Copyright © 2004 by Connor McDonald with Chaim Katz Christopher Beck Joel R Kallman and David C Knox All rights reserved

All the code examples used for demonstratingPL/SQL concepts in the videos use HR (Human Resources) schema All the homework assignments are based on the AD (Academic) schema To install the required schemas into the database: Download the setup zip file into yourVM and extract the zip folder

Examples Definition of PLSQL PL/SQL (Procedural Language/Structured Query Language) is Oracle Corporation's procedural extension for SQL and the Oracle relational database PL/SQL is available in Oracle Database (since version 7) TimesTen in-memory database (since version 11 2 1) and IBM DB2 (since version 9 7)

PL/SQL block: This is the component which has the actual PL/SQL code This consists of different sections to divide the code logically (declarative section for declaring purpose execution section for processing statements exception handling section for handling errors)

PL/SQL’s embedded SQL5 allows SQL syntax directly within a PL/SQL statement and is therefore very easy to use6 It supports only the following kinds of SQL statement: select insert update delete merge lock table commit rollback savepoint and set transaction The syntax of a PL/SQL embedded SQL statement is usually identical to that of

Packages are groups of procedures functions variables and SQL statements grouped together into a single unit To EXECUTE a procedure within a package you must first list the package name then the procedure name: EXECUTE Ledger_Package New_Worker(‘Adah Talbot’); Packages allow multiple procedures to use the same variables and cursors